X421DA_Bios.7z
BIOS / EC firmware for Asus X421DA · 3.7 MB · shared in 1 Telegram post.
TXTAbout X421DA Bios BIOS / EC firmware
X421DA Bios is an Asus X421DA BIOS / EC firmware dump — password unlock. It is packed in a 7Z archive of 3.7 MB. It was first posted on 17 Dec 2025 and is available in 1 Telegram channel.
Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is X421DA.
- Type
- BIOS & EC
- Format
- .7z · 7z archive
- Size
- 3.7 MB
- Brand
- Asus
- Model
- X421DA
- Notes
- password unlock
- First posted
- 17 Dec 2025
- Last posted
- 17 Dec 2025
- Sources
- 1
Tags
MSGFrom the Telegram post
try and update picture of unlock
J1Download X421DA BIOS / EC firmware from Telegram
- Bios & Schematics @laptopbios · 17 Dec 2025Open post
R1How to download X421DA Bios
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- You don’t need to join the channel. Tap the file X421DA_Bios.7z to download it.
- Open it with 7-Zip (free) or NanaZip.
If a post was deleted, try another source above or search for X421DA. Step-by-step help: downloading from Telegram.
Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.
.7ZWhat is a .7z file and how to open it?
7z archive. A compressed folder in 7-Zip format.
Open with:
- 7-Zip (free)
- NanaZip
- The Unarchiver (macOS)